Does the call to the DHDR server need to be done on the backend. Would it be possible to do the call to the server on the front-end using AJAX?

Hi Chris.

I've explored that option but it seems that it is not possible. The ajax call will fail the pre-flight request since the DHDR proxy server is expecting custom headers upon first contact. Since a) custom headers cannot be sent through a pre-flight request, b) web browsers must send a pre-flight, and c) the proxy server is expecting custom headers, sending a request through a client does not seem like a viable option. As a result, calling the DHDR server should be made through an application's backend.

Note for developers using the JS template, ensure the project directory name is app.

Currently, it will not recognize other directories with other names. The set-up documentation has been updated to reflect this.

Last Edited 4/26/2018 2:59:28 PM

When I send valid health cards, I'm getting a response of "Error Cannot read property 'value' of undefined" no matter what I do. Has anything changed from the original document? Any help would be greatly appreciated. Thanks! Justin